the k24y2 isnt turbocharged... thats most likely just vtec
What makes aspirated engine act like turbo lag followed by knocking with high throttle?
It seems like the turbo in my Crosstour is exceptionally laggy. Then when it kicks in, it's really jarring.
Is there any maintenance task that would impact the initiation of the turbo starts? or any minor mod I can do that would help it start up with a little exhaust instead of waiting till it's ready to go full blast?
Is there any maintenance task that would impact the initiation of the turbo starts? or any minor mod I can do that would help it start up with a little exhaust instead of waiting till it's ready to go full blast?
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I mean unless you've got a custom built engine that is turbocharged idk. Then really the only thing you can do is tune it differentlythe k24y2 isnt turbocharged... thats most likely just vtec
I think you accidentally pointed me in the right direction. 😂
After a couple minutes on articles that come up from a search for "tuning turbocharger", I suddenly realized the jarring feeling is probably knock, that I wasn't recognizing as misfire because it timed so perfectly with the sudden boost in power.
So the real question is what are the most common causes of misfires that only happen when the turbo is running? Thinking it's probably a rich or lean issue?
After a couple minutes on articles that come up from a search for "tuning turbocharger", I suddenly realized the jarring feeling is probably knock, that I wasn't recognizing as misfire because it timed so perfectly with the sudden boost in power.
So the real question is what are the most common causes of misfires that only happen when the turbo is running? Thinking it's probably a rich or lean issue?
the crosstour’s 2.4 didnt come with a turbocharger so I wouldnt keep looking in that direction. Is the “knocking” at a certain rpm range? Is there a check engine light?I think you accidentally pointed me in the right direction. 😂
After a couple minutes on articles that come up from a search for "tuning turbocharger", I suddenly realized the jarring feeling is probably knock, that I wasn't recognizing as misfire because it timed so perfectly with the sudden boost in power.
So the real question is what are the most common causes of misfires that only happen when the turbo is running? Thinking it's probably a rich or lean issue?
Oh. That's weird then because it acts like the lag of a turbo. Press the gas hard, get a little extra power but not much, then suddenly boom, it takes off (and knocks). Smooth as silk if if never try to "floor it".
to me it sounds like vtec engagement is rough, if you have a scan tool that can do more than read and erase codes check to see misfire data. If there aren't any misfires then it could be something valvetrain relatedOh. That's weird then because it acts like the lag of a turbo. Press the gas hard, get a little extra power but not much, then suddenly boom, it takes off (and knocks). Smooth as silk if if never try to "floor it".
My vtc actuator sticks a bit on most starts. And I just reppaced the oil drain pan gasket and found lots of carbon build up and lacquering on the walls of the pan. Thinking the previous owner was going for 25k oil changes. 😔
I had fresh oil for about 200 miles, then poured in a bottle of Gumout Tune Up, which was in there for another 200 while waiting for me to get around to replacing the gasket. But I still found all that build up when I opened her up. Does it seem like carbon buildup could translate to "acts like a turbocharger"?
I had fresh oil for about 200 miles, then poured in a bottle of Gumout Tune Up, which was in there for another 200 while waiting for me to get around to replacing the gasket. But I still found all that build up when I opened her up. Does it seem like carbon buildup could translate to "acts like a turbocharger"?
idk i would think carbon buildup means less airflow and not necessarily the higher pressure airflow that a turbo provides. I do however know that an angry power steering pump translates to "really cool supercharger sound"
🤣angry power steering pump translates to "really cool supercharger sound"
🤔 Buildup in the oil system would cause less airflow? How does that work?i would think carbon buildup means less airflow
I did notice buildup in the throttle body too though, that I haven't cleaned yet. Maybe that's sticking. Or maybe that's an indicator of buildup somewhere else in the air system.
Carbon build up would be air and exhaust related. Sludge is what youre looking for, that shows up with extended oil changes🤣
🤔 Buildup in the oil system would cause less airflow? How does that work?
I did notice buildup in the throttle body too though, that I haven't cleaned yet. Maybe that's sticking. Or maybe that's an indicator of buildup somewhere else in the air system.
Sludge = buildup + waterSludge is what youre looking for, that shows up with extended oil changes
It's dry buildup collected on the hard surfaces. Leads to things clogging or getting stuck against each other. No signs of water getting in the system
So then its oil staining, completely normalSludge = buildup + water
It's dry buildup. No signs of water getting in the system
this was my replacement used engine, left side is perfectly clean, right side is stained. not sure about the k series but this is normal on the j series with the way that the pcv system works
It's not just staining. It's black burned carbon that should have been suspended in the oil and drained out with the oil change. But too long between changes and the oil can't hold it all. So it sticks to the walls and the valves and anything else it touches and hardens there under the heat.
how are you looking at the valves? Because if youre not looking under the valve cover at the valve springs then youre looking at the intake and exhaust ports, not where oil should be at all.It's not just staining. It's black burned carbon that should have been suspended in the oil and drained out with the oil change. But too long between changes and the oil can't hold it all. So it sticks to the walls and the valves and anything else it touches and hardens there under the heat.
I haven't looked at the valves. I'm just describing what happens with carbon buildup. I assume there is probably at least some buildup on my valves though, since I've seen it in the oil pan and because my vtc actuator lock sticks (which is probably caused by buildup on and around the pin).
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